Butcher, J.W., (1953), "Preliminary Field Evaluations of Endrin and Dieldrin for Control of the Larch Sawfly", Minnesota Forestry Notes 17, School of Forestry, University of Minnesota
Minnesota Forestry Notes
Published as Scientific Journal Series Paper No. 3001 of the Minnesota Agricultural
Preliminary Field Evaluations of Endrin and Dieldrin for Control of the Larch Sawfly.
St. Paul, Minn. : School of Forestry, University of Minnesota.
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